标准摘要
Contains the requirements for unfilled polyurethane resinous compounds in the cured form for classes PUR-U-4 to PUR-U-8 with an ash content of not more than 6%.
英文名称Specification for solventless polymerisable resinous compounds used for electrical insulation. Part 3: Specifications for individual materials. Sheet 3: Unfilled polyurethane compounds